Anil Singh | Code-sample.com

Why MongoDB Certification? How to prepare for MongoDB Certification? The MongoDB certification cost is around $150(USD) . MongoDB Certification Roles and Levels- 1.       Associate 2.       Professional 3.       Master For more detail, go to below links https://exambraindumps.com/ https://university.mongodb.com/exam/DBA/about https://university.mongodb.com/exams http://www.tomsitpro.com/articles/database-certifications,2-664-6.html https://www.quora.com/Where-can-I-find-the-link-to-get-MongoDB-certification-dumps

Firstly I would like to introduce about mongodb, " MongoDB  is the fastest growing database because it’s provided more security protection mechanisms than others and also more reliable in cloud computing environments. It is secure architecture for your deployment. "   And secondly, I would like to introduce about entity framework, “ Entity Framework is an object relational mapping framework that is used to work with data as objects ”.  This is the code-first-approach to accessing database like SQL Server, Mongodb etc. Finally, come to your question “ mongodb with entity framework ” steps to implement in your projects. 1.       Open Visual Studio and create a new Windows Form Application. 2.       Run the command prompt and install latest “Entity Framework” in the “ Visual Studio ” package manger console. 3.       And modify to connection string in the “ App.config ” file in the ...

In MongoDB , use upsert is equal to true ( upsert: true) for check if items is exists then update else insert. By default upsert  is equal to false. Example as db . Users . update ({ name : 'Anil' }, { name : 'Anil' , age : 30 },               { '$inc' :{ 'sequence' : 1 }}, { 'upsert' : true })